4i8 Echiuoderma. 



Astrogonium, Gray Aimals N. H. XX. 193. 1847 ASTERIDA. 



Ateleocystites, Billings Y\g. Canad. Org. Remains Dec. III. 72. 1858. = 



Anomaloci/sfiies, Ra]]? ... • CYSTIDEA. i^oss. 



Atrapus, TroschelWiegm. Arch. XVII. 1. -1851 ECHINIDA. 



Auricularia, J. Miiiler = Larva bi-lateralis Holothuridae cujusdam sec. 



Leuckart HOLOTHURIDA. 



!^3aerocrinus, Volborth Bull. Petersb. Acad. V. 34. 1865. 



CRINOIDEA. Foss. 



Bdellacoma, J. W. Salter Annals N. H. XX. 321. 1857. . ASTERIDA. Foss. 



Bipinnaria, (Sars) Koren et Dauielssen Anuales des Sc. natur. VII. 347. 



18i7. = laryae Asterisci (?) cujusdam secuudum J. Miiller Ahhandl. II. 



5. etrv. 3t ASTERIDA. 



Blastoidocrinus, Billings Canada Creol. Surrey Dec I. 1R. 1856. 



CRINOIDEA. Foss. 



Boletia, Desor Agassiz et Desor Catal. 1846 ECHINIDA. Jbss. 



Botryodactyla, Stimpson Proc' Boston Soc. IV. 8. 1848. . HOLOTflURlDA. 

 Brachiocrinus, J. Hall Jouru. Silliman Amer. 2. XXV. 277. 1858. 



CRINOIDEA. Foss, 

 Brachiolaria, = Larva EchinoHermatis cujusdam sec. Leuckart. 



Breynia, Desor Agassiz etDesor Catal. 1846 ECHINIDA. i^o.«s. 



Brisingia, A.sbjornseu Fauaa littor. Norveg. II. 93. 1856. . . . ASTERIDA. 



^ZJainocrinus, Edw. Forbes Monogr. Ecliin. Brit. Tert. 33. 1852. 



CRINOIDEA. Foss. 

 Calathocrinus, Hermanu t. Meyer Leonhard u. Bronu Zeitschr. 576. 1847. 



Foss. 

 Calceocrinus, J. Hall Geol. of New-York IL 352. 1853. CRINOIDEA. Foss. 



Calliderma, Gray AnnalsN. H. XX. 193. 1847. ASTENIDA. 



Callocystites, J. Hall Geol. of New-York II. 238. 1854. . CYSTIDEA. Foss. 

 Camarocystites, Billings Fig. etc. Caaad. Org. Remains Dec. III. 61. 



CYSTIDEA. Foss, 

 Carabocrinus, Billings Canada Geol. Survey Dec. IV. 275. 1859. 



CRINOIDEA. Foss. 

 Cardiaster, Edw. Forbes Ann. N. H. VL 442. 1850. . . . ECHINIDA Foss. 



Caudina, Stimpsou Smithsou. Contrib. Vr. 18.^^4 HOLOTHURrDA. 



Ceramocrinus, (J. Miiller) Zeiler et Wirtgeu Verh. Rh. Westph. Naturb. 



Verein. Xll-i. 18oo CRINOIDEA. fbss. 



Cercodemas, Seleuka Zeitschr. f. wiss. Zool. XVII. 291. 1867. 



HOLOTHURIDA. 

 Chaetoderma, Loven Ar< h. Skandin. Beitr. L 169.1845. SIPUNCrLACEA. 



Chaetodiscus, Liitken Misc. N. H. Hafu. 104. 1864 ECHINIDA. 



Chondrooidaris, A. Agas.siz M 'm. Amer. Acad. IX. 1864. . . ECHINIDA. 

 Cleiocrinus, Billiug,s Cau. Geol. Surv. Dec IV. 52. 1859. CRINOIDEA. Foss. 

 Closterocrinus, J. Hall. Geol. ofNew-York. IL 179. 1853. 



CRINOIDEA. Foss. 

 Coccocrinus, (Miiller) Zeiler etWirtgen Verh. d. Rhein. Westph. Naturh. 



Vereiii. Xir. 1. 1855 CORINOIDEA. Foss. 



Codaster, M'Coy Aauals. N. H. 2. Ser. III. 250. 1849. emendavit \\\ Codo- 



//«*/er, F, Roemer 1851 CRINOIDEA Fos.*. 



Codechinus, Desor Synops. Echin. foss. 1858 ECHINIDA. Foss. 



Codonaster, F. Roemer Mouogr. d. Bla.stoid. 1851. . . . CRINOIDEA. Foss. 

 Coelasterias, Verril Trans. Conuecfe. Acad. L 2. 1867. .... ASTERIDA. 



